 |
| возвратный поток: 10 phrases in 6 subjects |
| Ecology | 1 |
| Electronics | 1 |
| Natural resourses and wildlife conservation | 1 |
| Oil / petroleum | 3 |
| Refrigeration | 1 |
| Tengiz | 3 |
|
| возвратный поток: 10 phrases in 6 subjects |
| Ecology | 1 |
| Electronics | 1 |
| Natural resourses and wildlife conservation | 1 |
| Oil / petroleum | 3 |
| Refrigeration | 1 |
| Tengiz | 3 |